Home / 2,232.02-3,080.22-1,347.78

Finding the Fourth Proportional to 2,232.02, 3,080.22 and 1,347.78

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Solution

The fourth proportional to 2,232.02, 3,080.22 and 1,347.78 is: 1,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.02 : 3,080.22 = 1,347.78 : x
  2. Step 2: Convert to fraction form
    2,232.02/3,080.22 = 1,347.78/x
  3. Step 3: Cross multiply
    2,232.02x = 3,080.22 × 1,347.78
  4. Step 4: Simplify right side
    2,232.02x = 4,151,458.91
  5. Step 5: Solve for x
    x = 4,151,458.91/2,232.02
  6. Step 6: Final answer
    x = 1,859.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.